守卫

wǒ yào qù shǒu wèi biān jiāng

我要去守卫边疆。

I‘m going to defend national borders.

shǒu wèi cāng kù

守卫仓库

guard a warehouse

shǒu wèi guó qí

守卫国旗

stand guard over the national flag

wǒ yī zhí shǒu wèi zhe zǔ guó de biān fáng xiàn

我一直守卫着祖国的边防线。

I have kept guard on the frontiers of the motherland.

tā pài sān gè shì bīng qù dān rèn shǒu wèi

他派三个士兵去担任守卫。

He detailed three soldiers for guard duty.